Wave propagation in piezoelectric rings with rectangular cross-sections

被引：3

作者：

Zhang, Xiaoming ^{[1
]}

Wang, Youchao ^{[2
]}

Chen, Huitao ^{[1
]}

机构：

[1] School of Mechanical and Power Engineering, Henan Polytechnic University, Jiaozuo, China

[2] School of Materials Science and Engineering, Henan Polytechnic University, Jiaozuo, China

来源：

Journal of Theoretical and Applied Mechanics (Poland) | 2015年 / 53卷 / 03期

关键词：

Orthogonal functions - Electric potential - Piezoelectricity - Polynomials - Ultrasonic transducers - Dispersion (waves);

D O I：

10.15632/jtam-pl.53.3.673

中图分类号：

学科分类号：

摘要：

The ring ultrasonic transducers are widely used in the ocean engineering and medical fields. This paper employs an extended orthogonal polynomial approach to solve the guided wave propagation in two-dimensional structures, i.e. piezoelectric rings with rectangular cross-sections. The extended polynomial approach can overcome the drawbacks of the conventional orthogonal polynomial approach which can be used to solve wave propagation in one-dimensional structures. Through numerical comparison with the available results for a rectangular aluminum bar, the validity of the present approach is illustrated. The dispersion curves and displacement and electric potential distributions of various rectangular piezoelectric rings are calculated, and the effects of different radius to thickness ratios, width to height ratios and polarizing directions on the dispersion curves are illustrated.

引用

页码：673 / 682

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